Finding the Fourth Proportional to 8,474.56, 12,699.72 and 4,769.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,474.56 : 12,699.72 = 4,769.02 : x
2. Step 2: Convert to fraction form
   8,474.56/12,699.72 = 4,769.02/x
3. Step 3: Cross multiply
   8,474.56x = 12,699.72 × 4,769.02
4. Step 4: Simplify right side
   8,474.56x = 60,565,218.67
5. Step 5: Solve for x
   x = 60,565,218.67/8,474.56
6. Step 6: Final answer
   x = 7,146.71